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    <h2>测试axios返回的是否是Promise</h2>
    <script src="./lib/axios.js"></script>
    <script>
      //  const p=axios({}).then((res)=> {
      //       console.log(res);
      //     })

      //     console.log(p);

    new Promise((resolve,reject) => {
        setTimeout(()=>{
          resolve('哦了')
        },3000)
      }).then((res)=>{
        console.log('res',res);
      })
    </script>
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